3649695 has 16 divisors (see below), whose sum is σ = 6673920. Its totient is φ = 1668384.

The previous prime is 3649693. The next prime is 3649699. The reversal of 3649695 is 5969463.

It is not a de Polignac number, because 3649695 - 2¹ = 3649693 is a prime.

3649695 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3649693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17275 + ... + 17484.

It is an arithmetic number, because the mean of its divisors is an integer number (417120).

Almost surely, 2^3649695 is an apocalyptic number.

3649695 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

3649695 is a deficient number, since it is larger than the sum of its proper divisors (3024225).

3649695 is a wasteful number, since it uses less digits than its factorization.

3649695 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34774.

The product of its digits is 174960, while the sum is 42.

The square root of 3649695 is about 1910.4174936385. The cubic root of 3649695 is about 153.9638836991.

The spelling of 3649695 in words is "three million, six hundred forty-nine thousand, six hundred ninety-five".